The Impact of Alternative Fuels on the Cement Manufacturing Process
The cement industry in Finland has a great interest in studying to what extent fuel (usually coal) can be replaced by alternative fuels, e.g. processed industrial waste materials. Alternative fuels provide opportunities for reducing production costs. Further benefits are environment-related: reduction of emissions, utilisation of energy from alternative fuels etc. A project in this field started in Finnsementti OY. So far experiments have been carried out in Parainen / Pargas, Finland in a 2000 tonnes/day kiln. The aim was to verify the suitability of shredded tyres as additional fuel in the riser duct of a 4-stage cyclone preheater rotary kiln.